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ft2.php
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ft2.php
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<?php
/**
* @file
* File Thingie - Andreas Haugstrup Pedersen <[email protected]>
* The newest version of File Thingie can be found at <http://www.solitude.dk/filethingie/>
*
* Copyright (c) 2003-2012 Andreas Haugstrup Pedersen
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
# Version information #
define("VERSION", "2.5.7"); // Current version of File Thingie.
define("INSTALL", "EXPANDED"); // Type of File Thingie installation. EXPANDED or SIMPLE.
define("MUTEX", $_SERVER['PHP_SELF']);
$ft = array();
$ft['settings'] = array();
$ft['groups'] = array();
$ft['users'] = array();
$ft['plugins'] = array();
/**
* Check if a login cookie is valid.
*
* @param $c
* The login cookie from $_COOKIE.
* @return The username of the cookie user. FALSE if cookie is not valid.
*/
function ft_check_cookie($c) {
global $ft;
// Check primary user.
if ($c == md5(USERNAME.PASSWORD)) {
return USERNAME;
}
// Check users array.
if (is_array($ft['users']) && sizeof($ft['users']) > 0) {
// Loop through users.
foreach ($ft['users'] as $user => $a) {
if ($c == md5($user.$a['password'])) {
return $user;
}
}
}
return FALSE;
}
/**
* Check if directory is on the blacklist.
*
* @param $dir
* Directory path.
* @return TRUE if directory is not blacklisted.
*/
function ft_check_dir($dir) {
// Check against folder blacklist.
if (FOLDERBLACKLIST != "") {
$blacklist = explode(" ", FOLDERBLACKLIST);
foreach ($blacklist as $c) {
if (substr($dir, 0, strlen(ft_get_root().'/'.$c)) == ft_get_root().'/'.$c) {
return FALSE;
}
}
return TRUE;
} else {
return TRUE;
}
}
/**
* Check if file actions are allowed in the current directory.
*
* @return TRUE is file actions are allowed.
*/
function ft_check_fileactions() {
if (FILEACTIONS === TRUE) {
// Uploads are universally turned on.
return TRUE;
} else if (FILEACTIONS == TRUE && FILEACTIONS == substr(ft_get_dir(), 0, strlen(FILEACTIONS))) {
// Uploads are allowed in the current directory and subdirectories only.
return TRUE;
}
return FALSE;
}
/**
* Check if the filename provided is valid.
* Filename should not include any unwanted characters, leading or trailing periods.
* @param $file File name.
* @return bool True if the filename is valid.
*/
function ft_validate_filename($file)
{
// Make sure the file doesn't start with a period, contain unwanted characters, or end in a period.
$pattern = '^[^\.]((\.)?(([\w~!]){1,}))+$';
$result = preg_match($pattern, $file);
return $result;
}
/**
* Check if file is on the blacklist.
*
* @param $file
* File name.
* @return TRUE if file is not blacklisted.
*/
function ft_check_file($file) {
// Check against file blacklist.
if (FILEBLACKLIST != "") {
$blacklist = explode(" ", strtolower(FILEBLACKLIST));
if (in_array(strtolower($file), $blacklist)) {
return FALSE;
} else {
return TRUE;
}
} else {
return TRUE;
}
}
/**
* Check if file type is on the blacklist.
*
* @param $file
* File name.
* @return TRUE if file is not blacklisted.
*/
function ft_check_filetype($file) {
$type = strtolower(ft_get_ext($file));
// Check if we are using a whitelist.
if (FILETYPEWHITELIST != "") {
// User wants a whitelist
$whitelist = explode(" ", FILETYPEWHITELIST);
if (in_array($type, $whitelist)) {
return TRUE;
} else {
return FALSE;
}
} else {
// Check against file blacklist.
if (FILETYPEBLACKLIST != "") {
$blacklist = explode(" ", FILETYPEBLACKLIST);
if (in_array($type, $blacklist)) {
return FALSE;
} else {
return TRUE;
}
} else {
return TRUE;
}
}
}
/**
* Check if a user is authenticated to view the page or not. Must be called on all pages.
*
* @return TRUE if the user is authenticated.
*/
function ft_check_login() {
global $ft;
$valid_login = 0;
if (LOGIN == TRUE) {
if (empty($_SESSION['ft_user_'.MUTEX])) {
$cookie_mutex = str_replace('.', '_', MUTEX);
// Session variable has not been set. Check if there is a valid cookie or login form has been submitted or return false.
if (REMEMBERME == TRUE && !empty($_COOKIE['ft_user_'.$cookie_mutex])) {
// Verify cookie.
$cookie = ft_check_cookie($_COOKIE['ft_user_'.$cookie_mutex]);
if (!empty($cookie)) {
// Cookie valid. Login.
$_SESSION['ft_user_'.MUTEX] = $cookie;
ft_invoke_hook('loginsuccess', $cookie);
ft_redirect();
}
}
if (!empty($_POST['act']) && $_POST['act'] == "dologin") {
// Check username and password from login form.
if (!empty($_POST['ft_user']) && $_POST['ft_user'] == USERNAME && $_POST['ft_pass'] == PASSWORD) {
// Valid login.
$_SESSION['ft_user_'.MUTEX] = USERNAME;
$valid_login = 1;
}
// Default user was not valid, we check additional users (if any).
if (is_array($ft['users']) && sizeof($ft['users']) > 0) {
// Check username and password.
if (array_key_exists($_POST['ft_user'], $ft['users']) && $ft['users'][$_POST['ft_user']]['password'] == $_POST['ft_pass']) {
// Valid login.
$_SESSION['ft_user_'.MUTEX] = $_POST['ft_user'];
$valid_login = 1;
}
}
if ($valid_login == 1) {
// Set cookie.
if (!empty($_POST['ft_cookie']) && REMEMBERME) {
setcookie('ft_user_'.MUTEX, md5($_POST['ft_user'].$_POST['ft_pass']), time()+60*60*24*3);
} else {
// Delete cookie
setcookie('ft_user_'.MUTEX, md5($_POST['ft_user'].$_POST['ft_pass']), time()-3600);
}
ft_invoke_hook('loginsuccess', $_POST['ft_user']);
ft_redirect();
} else {
ft_invoke_hook('loginfail', $_POST['ft_user']);
ft_redirect("act=error");
}
}
return FALSE;
} else {
return TRUE;
}
} else {
return TRUE;
}
}
/**
* Check if a move action is inside the file actions area if FILEACTIONS is set to a specific director.
*
* @param $dest
* The directory to move to.
* @return TRUE if move action is allowed.
*/
function ft_check_move($dest) {
if (FILEACTIONS === TRUE) {
return TRUE;
}
// Check if destination is within the fileactions area.
$dest = substr($dest, 0, strlen($dest));
$levels = substr_count(substr(ft_get_dir(), strlen(FILEACTIONS)), '/');
if ($levels <= substr_count($dest, '../')) {
return TRUE;
} else {
return FALSE;
}
}
/**
* Check if uploads are allowed in the current directory.
*
* @return TRUE if uploads are allowed.
*/
function ft_check_upload() {
if (UPLOAD === TRUE) {
// Uploads are universally turned on.
return TRUE;
} else if (UPLOAD == TRUE && UPLOAD == substr(ft_get_dir(), 0, strlen(UPLOAD))) {
// Uploads are allowed in the current directory and subdirectories only.
return TRUE;
}
return FALSE;
}
/**
* Check if a user exists.
*
* @param $username
* Username to check.
* @return TRUE if user exists.
*/
function ft_check_user($username) {
global $ft;
if ($username == USERNAME) {
return TRUE;
} elseif (is_array($ft['users']) && sizeof($ft['users']) > 0 && array_key_exists($username, $ft['users'])) {
return TRUE;
}
return FALSE;
}
/**
* Remove unwanted characters from the settings array.
*/
function ft_clean_settings($settings) {
// TODO: Clean DIR, UPLOAD and FILEACTIONS so they can't start with ../
return $settings;
}
/**
* Run all system actions based on the value of $_REQUEST['act'].
*/
function ft_do_action() {
if (!empty($_REQUEST['act'])) {
// Only one callback action is allowed. So only the first hook that acts on an action is run.
ft_invoke_hook('action', $_REQUEST['act']);
# mkdir
if ($_REQUEST['act'] == "createdir" && CREATE === TRUE) {
$_POST['newdir'] = trim($_POST['newdir']);
if ($_POST['type'] == 'file') {
// Check file against blacklists
if (strlen($_POST['newdir']) > 0 && ft_check_filetype($_POST['newdir']) && ft_check_file($_POST['newdir'])) {
// Create file.
$newfile = ft_get_dir()."/{$_POST['newdir']}";
if (file_exists($newfile)) {
// Redirect
ft_set_message(t("File could not be created. File already exists."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
} elseif (@touch($newfile)) {
// Redirect.
ft_set_message(t("File created."));
ft_redirect("dir=".$_REQUEST['dir']);
} else {
// Redirect
ft_set_message(t("File could not be created."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
} else {
// Redirect
ft_set_message(t("File could not be created."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
} elseif ($_POST['type'] == 'url') {
// Create from URL.
$newname = trim(substr($_POST['newdir'], strrpos($_POST['newdir'], '/')+1));
if (strlen($newname) > 0 && ft_check_filetype($newname) && ft_check_file($newname)) {
// Open file handlers.
$rh = fopen($_POST['newdir'], 'rb');
if ($rh === FALSE) {
ft_set_message(t("Could not open URL. Possible reason: URL wrappers not enabled."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
$wh = fopen(ft_get_dir().'/'.$newname, 'wb');
if ($wh === FALSE) {
ft_set_message(t("File could not be created."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
// Download anf write file.
while (!feof($rh)) {
if (fwrite($wh, fread($rh, 1024)) === FALSE) {
ft_set_message(t("File could not be saved."), 'error');
}
}
fclose($rh);
fclose($wh);
ft_redirect("dir=".$_REQUEST['dir']);
} else {
// Redirect
ft_set_message(t("File could not be created."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
} else {
// Create directory.
// Check input.
// if (strstr($_POST['newdir'], ".")) {
// Throw error (redirect).
// ft_redirect("status=createddirfail&dir=".$_REQUEST['dir']);
// } else {
$_POST['newdir'] = ft_stripslashes($_POST['newdir']);
$newdir = ft_get_dir()."/{$_POST['newdir']}";
$oldumask = umask(0);
if (strlen($_POST['newdir']) > 0 && @mkdir($newdir, DIRPERMISSION)) {
ft_set_message(t("Directory created."));
ft_redirect("dir=".$_REQUEST['dir']);
} else {
// Redirect
ft_set_message(t("Directory could not be created."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
umask($oldumask);
// }
}
# Move
} elseif ($_REQUEST['act'] == "move" && ft_check_fileactions() === TRUE) {
// Check that both file and newvalue are set.
$file = trim(ft_stripslashes($_REQUEST['file']));
$dir = trim(ft_stripslashes($_REQUEST['newvalue']));
if (substr($dir, -1, 1) != "/") {
$dir .= "/";
}
// Check for level.
if (substr_count($dir, "../") <= substr_count(ft_get_dir(), "/") && ft_check_move($dir) === TRUE) {
$dir = ft_get_dir()."/".$dir;
if (!empty($file) && file_exists(ft_get_dir()."/".$file)) {
// Check that destination exists and is a directory.
if (is_dir($dir)) {
// Move file.
if (@rename(ft_get_dir()."/".$file, $dir."/".$file)) {
// Success.
ft_set_message(t("!old was moved to !new", array('!old' => $file, '!new' => $dir)));
ft_redirect("dir={$_REQUEST['dir']}");
} else {
// Error rename failed.
ft_set_message(t("!old could not be moved.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
// Error dest. isn't a dir or doesn't exist.
ft_set_message(t("Could not move file. !old does not exist or is not a directory.", array('!old' => $dir)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
// Error source file doesn't exist.
ft_set_message(t("!old could not be moved. It doesn't exist.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
// Error level
ft_set_message(t("!old could not be moved outside the base directory.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
# Delete
} elseif ($_REQUEST['act'] == "delete" && ft_check_fileactions() === TRUE) {
// Check that file is set.
$file = ft_stripslashes($_REQUEST['file']);
if (!empty($file) && ft_check_file($file)) {
if (is_dir(ft_get_dir()."/".$file)) {
if (DELETEFOLDERS == TRUE) {
ft_rmdir_recurse(ft_get_dir()."/".$file);
}
if (!@rmdir(ft_get_dir()."/".$file)) {
ft_set_message(t("!old could not be deleted.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
} else {
ft_set_message(t("!old deleted.", array('!old' => $file)));
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
if (!@unlink(ft_get_dir()."/".$file)) {
ft_set_message(t("!old could not be deleted.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
} else {
ft_set_message(t("!old deleted.", array('!old' => $file)));
ft_redirect("dir={$_REQUEST['dir']}");
}
}
} else {
ft_set_message(t("!old could not be deleted.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
# Rename && Duplicate && Symlink
} elseif ($_REQUEST['act'] == "rename" || $_REQUEST['act'] == "duplicate" || $_REQUEST['act'] == "symlink" && ft_check_fileactions() === TRUE) {
// Check that both file and newvalue are set.
$old = trim(ft_stripslashes($_REQUEST['file']));
$new = trim(ft_stripslashes($_REQUEST['newvalue']));
if ($_REQUEST['act'] == 'rename') {
$m['typefail'] = t("!old was not renamed to !new (type not allowed).", array('!old' => $old, '!new' => $new));
$m['writefail'] = t("!old could not be renamed (write failed).", array('!old' => $old));
$m['destfail'] = t("File could not be renamed to !new since it already exists.", array('!new' => $new));
$m['emptyfail'] = t("File could not be renamed since you didn't specify a new name.");
} elseif ($_REQUEST['act'] == 'duplicate') {
$m['typefail'] = t("!old was not duplicated to !new (type not allowed).", array('!old' => $old, '!new' => $new));
$m['writefail'] = t("!old could not be duplicated (write failed).", array('!old' => $old));
$m['destfail'] = t("File could not be duplicated to !new since it already exists.", array('!new' => $new));
$m['emptyfail'] = t("File could not be duplicated since you didn't specify a new name.");
} elseif ($_REQUEST['act'] == 'symlink') {
$m['typefail'] = t("Could not create symlink to !old (type not allowed).", array('!old' => $old, '!new' => $new));
$m['writefail'] = t("Could not create symlink to !old (write failed).", array('!old' => $old));
$m['destfail'] = t("Could not create symlink !new since it already exists.", array('!new' => $new));
$m['emptyfail'] = t("Symlink could not be created since you didn't specify a name.");
}
if (!empty($old) && !empty($new)) {
if (ft_check_filetype($new) && ft_check_file($new)) {
// Make sure destination file doesn't exist.
if (!file_exists(ft_get_dir()."/".$new)) {
// Check that file exists.
if (is_writeable(ft_get_dir()."/".$old)) {
if ($_REQUEST['act'] == "rename") {
if (@rename(ft_get_dir()."/".$old, ft_get_dir()."/".$new)) {
// Success.
ft_set_message(t("!old was renamed to !new", array('!old' => $old, '!new' => $new)));
ft_redirect("dir={$_REQUEST['dir']}");
} else {
// Error rename failed.
ft_set_message(t("!old could not be renamed.", array('!old' => $old)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} elseif ($_REQUEST['act'] == 'symlink') {
if (ADVANCEDACTIONS == TRUE) {
if (@symlink(realpath(ft_get_dir()."/".$old), ft_get_dir()."/".$new)) {
@chmod(ft_get_dir()."/{$new}", PERMISSION);
// Success.
ft_set_message(t("Created symlink !new", array('!old' => $old, '!new' => $new)));
ft_redirect("dir={$_REQUEST['dir']}");
} else {
// Error symlink failed.
ft_set_message(t("Symlink to !old could not be created.", array('!old' => $old)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
}
} else {
if (@copy(ft_get_dir()."/".$old, ft_get_dir()."/".$new)) {
// Success.
ft_set_message(t("!old was duplicated to !new", array('!old' => $old, '!new' => $new)));
ft_redirect("dir={$_REQUEST['dir']}");
} else {
// Error rename failed.
ft_set_message(t("!old could not be duplicated.", array('!old' => $old)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
}
} else {
// Error old file isn't writeable.
ft_set_message($m['writefail'], 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
// Error destination exists.
ft_set_message($m['destfail'], 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
// Error file type not allowed.
ft_set_message($m['typefail'], 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
// Error. File name not set.
ft_set_message($m['emptyfail'], 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
# upload
} elseif ($_REQUEST['act'] == "upload" && ft_check_upload() === TRUE && (LIMIT <= 0 || LIMIT > ROOTDIRSIZE)) {
// If we are to upload a file we will do so.
$msglist = 0;
foreach ($_FILES as $k => $c) {
if (!empty($c['name'])) {
$c['name'] = ft_stripslashes($c['name']);
if ($c['error'] == 0) {
// Upload was successfull
if (ft_validate_filename($c['name']) && ft_check_filetype($c['name']) && ft_check_file($c['name'])) {
if (file_exists(ft_get_dir()."/{$c['name']}")) {
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("File already exists"), 'error');
} else {
if (@move_uploaded_file($c['tmp_name'], ft_get_dir()."/{$c['name']}")) {
@chmod(ft_get_dir()."/{$c['name']}", PERMISSION);
// Success!
$msglist++;
ft_set_message(t('!file was uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))));
ft_invoke_hook('upload', ft_get_dir(), $c['name']);
} else {
// File couldn't be moved. Throw error.
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("File couldn't be moved"), 'error');
}
}
} else {
// File type is not allowed. Throw error.
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("File type not allowed"), 'error');
}
} else {
// An error occurred.
switch($_FILES["localfile"]["error"]) {
case 1:
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("The file was too large"), 'error');
break;
case 2:
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("The file was larger than MAXSIZE setting."), 'error');
break;
case 3:
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("Partial upload. Try again"), 'error');
break;
case 4:
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("No file was uploaded. Please try again"), 'error');
break;
default:
$msglist++;
ft_set_message(t('!file was not uploaded.', array('!file' => ft_get_nice_filename($c['name'], 20))) . ' ' . t("Unknown error"), 'error');
break;
}
}
}
}
if ($msglist > 0) {
ft_redirect("dir=".$_REQUEST['dir']);
} else {
ft_set_message(t("Upload failed."), 'error');
ft_redirect("dir=".$_REQUEST['dir']);
}
# Unzip
} elseif ($_REQUEST['act'] == "unzip" && ft_check_fileactions() === TRUE) {
// Check that file is set.
$file = ft_stripslashes($_REQUEST['file']);
if (!empty($file) && ft_check_file($file) && ft_check_filetype($file) && strtolower(ft_get_ext($file)) == 'zip' && is_file(ft_get_dir()."/".$file)) {
$escapeddir = escapeshellarg(ft_get_dir()."/");
$escapedfile = escapeshellarg(ft_get_dir()."/".$file);
if (!@exec("unzip -n ".$escapedfile." -d ".$escapeddir)) {
ft_set_message(t("!old could not be unzipped.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
} else {
ft_set_message(t("!old unzipped.", array('!old' => $file)));
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
ft_set_message(t("!old could not be unzipped.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
# chmod
} elseif ($_REQUEST['act'] == "chmod" && ft_check_fileactions() === TRUE && ADVANCEDACTIONS == TRUE) {
// Check that file is set.
$file = ft_stripslashes($_REQUEST['file']);
if (!empty($file) && ft_check_file($file) && ft_check_filetype($file)) {
// Check that chosen permission i valid
if (is_numeric($_REQUEST['newvalue'])) {
$chmod = $_REQUEST['newvalue'];
if (substr($chmod, 0, 1) == '0') {
$chmod = substr($chmod, 0, 4);
} else {
$chmod = '0'.substr($chmod, 0, 3);
}
// Chmod
if (@chmod(ft_get_dir()."/".$file, intval($chmod, 8))) {
ft_set_message(t("Permissions changed for !old.", array('!old' => $file)));
ft_redirect("dir={$_REQUEST['dir']}");
clearstatcache();
} else {
ft_set_message(t("Could not change permissions for !old.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
ft_set_message(t("Could not change permissions for !old.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
} else {
ft_set_message(t("Could not change permissions for !old.", array('!old' => $file)), 'error');
ft_redirect("dir={$_REQUEST['dir']}");
}
# logout
} elseif ($_REQUEST['act'] == "logout") {
ft_invoke_hook('logout', $_SESSION['ft_user_'.MUTEX]);
$_SESSION = array();
if (isset($_COOKIE[session_name()])) {
setcookie(session_name(), '', time()-42000, '/');
}
session_destroy();
// Delete persistent cookie
setcookie('ft_user_'.MUTEX, '', time()-3600);
ft_redirect();
}
}
}
/**
* Convert PHP ini shorthand notation for file size to byte size.
*
* @return Size in bytes.
*/
function ft_get_bytes($val) {
$val = trim($val);
$last = strtolower($val{strlen($val)-1});
switch($last) {
// The 'G' modifier is available since PHP 5.1.0
case 'g':
$val *= 1024;
case 'm':
$val *= 1024;
case 'k':
$val *= 1024;
}
return $val;
}
/**
* Get the total disk space consumed by files available to the current user.
* Files and directories on blacklists are not counted.
*
* @param $dirname
* Name of the directory to scan.
* @return Space consumed by this directory in bytes (not counting files and directories on blacklists).
*/
function ft_get_dirsize($dirname) {
if (!is_dir($dirname) || !is_readable($dirname)) {
return false;
}
$dirname_stack[] = $dirname;
$size = 0;
do {
$dirname = array_shift($dirname_stack);
$handle = opendir($dirname);
while (false !== ($file = readdir($handle))) {
if ($file != '.' && $file != '..' && is_readable($dirname . '/' . $file)) {
if (is_dir($dirname . '/' . $file)) {
if (ft_check_dir($dirname . '/' . $file)) {
$dirname_stack[] = $dirname . '/' . $file;
}
} else {
if (ft_check_file($file) && ft_check_filetype($file)) {
$size += filesize($dirname . '/' . $file);
}
}
}
}
closedir($handle);
} while (count($dirname_stack) > 0);
return $size;
}
/**
* Get the current directory.
*
* @return The current directory.
*/
function ft_get_dir() {
if (empty($_REQUEST['dir'])) {
return ft_get_root();
} else {
return ft_get_root().$_REQUEST['dir'];
}
}
/**
* Get file extension from a file name.
*
* @param $name
* File name.
* @return The file extension without the '.'
*/
function ft_get_ext($name) {
if (strstr($name, ".")) {
$ext = str_replace(".", "", strrchr($name, "."));
} else {
$ext = "";
}
return $ext;
}
/**
* Get a list of files in a directory with metadata.
*
* @param $dir
* The directory to scan.
* @param $sort
* Sorting parameter. Possible values: name, type, size, date. Defaults to 'name'.
* @return An array of files. Each item is an array:
* array(
* 'name' => '', // File name.
* 'shortname' => '', // File name.
* 'type' => '', // 'file' or 'dir'.
* 'ext' => '', // File extension.
* 'writeable' => '', // TRUE if writeable.
* 'perms' => '', // Permissions.
* 'modified' => '', // Last modified. Unix timestamp.
* 'size' => '', // File size in bytes.
* 'extras' => '' // Array of extra classes for this file.
* )
*/
function ft_get_filelist($dir, $sort = 'name') {
$filelist = array();
$subdirs = array();
if (ft_check_dir($dir) && $dirlink = @opendir($dir)) {
// Creates an array with all file names in current directory.
while (($file = readdir($dirlink)) !== false) {
if ($file != "." && $file != ".." && ((!is_dir("{$dir}/{$file}") && ft_check_file($file) && ft_check_filetype($file)) || is_dir("{$dir}/{$file}") && ft_check_dir("{$dir}/{$file}"))) { // Hide these two special cases and files and filetypes in blacklists.
$c = array();
$c['name'] = $file;
// $c['shortname'] = ft_get_nice_filename($file, 20);
$c['shortname'] = $file;
$c['type'] = "file";
$c['ext'] = ft_get_ext($file);
$c['writeable'] = is_writeable("{$dir}/{$file}");
// Grab extra options from plugins.
$c['extras'] = array();
$c['extras'] = ft_invoke_hook('fileextras', $file, $dir);
// File permissions.
if ($c['perms'] = @fileperms("{$dir}/{$file}")) {
if (is_dir("{$dir}/{$file}")) {
$c['perms'] = substr(base_convert($c['perms'], 10, 8), 2);
} else {
$c['perms'] = substr(base_convert($c['perms'], 10, 8), 3);
}
}
$c['modified'] = @filemtime("{$dir}/{$file}");
$c['size'] = @filesize("{$dir}/{$file}");
if (ft_check_dir("{$dir}/{$file}") && is_dir("{$dir}/{$file}")) {
$c['size'] = 0;
$c['type'] = "dir";
if ($sublink = @opendir("{$dir}/{$file}")) {
while (($current = readdir($sublink)) !== false) {
if ($current != "." && $current != ".." && ft_check_file($current)) {
$c['size']++;
}
}
closedir($sublink);
}
$subdirs[] = $c;
} else {
$filelist[] = $c;
}
}
}
closedir($dirlink);
// sort($filelist);
// Obtain a list of columns
$ext = array();
$name = array();
$date = array();
$size = array();
foreach ($filelist as $key => $row) {
$ext[$key] = strtolower($row['ext']);
$name[$key] = strtolower($row['name']);
$date[$key] = $row['modified'];
$size[$key] = $row['size'];
}
if ($sort == 'type') {
// Sort by file type and then name.
array_multisort($ext, SORT_ASC, $name, SORT_ASC, $filelist);
} elseif ($sort == 'size') {
// Sort by filesize date and then name.
array_multisort($size, SORT_ASC, $name, SORT_ASC, $filelist);
} elseif ($sort == 'date') {
// Sort by last modified date and then name.
array_multisort($date, SORT_DESC, $name, SORT_ASC, $filelist);
} else {
// Sort by file name.
array_multisort($name, SORT_ASC, $filelist);
}
// Always sort dirs by name.
sort($subdirs);
return array_merge($subdirs, $filelist);
} else {
return "dirfail";
}
}
/**
* Determine the max. size for uploaded files.
*
* @return Human-readable string of upload limit.
*/
function ft_get_max_upload() {
$post_max = ft_get_bytes(ini_get('post_max_size'));
$upload = ft_get_bytes(ini_get('upload_max_filesize'));
// Compare ini settings.
$max = (($post_max > $upload) ? $upload : $post_max);
// Compare with MAXSIZE.
if ($max > MAXSIZE) {
$max = MAXSIZE;
}
return ft_get_nice_filesize($max);
}
/**
* Shorten a file name to a given length maintaining the file extension.
*
* @param $name
* File name.
* @param $limit
* The maximum length of the file name.
* @return The shortened file name.
*/
function ft_get_nice_filename($name, $limit = -1) {
if ($limit > 0) {
$noext = $name;
if (strstr($name, '.')) {
$noext = substr($name, 0, strrpos($name, '.'));
}
$ext = ft_get_ext($name);
if (strlen($noext)-3 > $limit) {
$name = substr($noext, 0, $limit).'...';
if ($ext != '') {
$name = $name. '.' .$ext;
}
}
}
return $name;
}
/**
* Convert a number of bytes to a human-readable format.
*
* @param $size
* Integer. File size in bytes.
* @return String. Human-readable file size.
*/
function ft_get_nice_filesize($size) {
if (empty($size)) {
return "—";
} elseif (strlen($size) > 6) { // Convert to megabyte
return round($size/(1024*1024), 2)." MB";
} elseif (strlen($size) > 4 || $size > 1024) { // Convert to kilobyte
return round($size/1024, 0)." Kb";
} else {
return $size." b";
}
}
/**
* Get the root directory.
*
* @return The root directory.
*/
function ft_get_root() {
return DIR;
}
/**
* Get the name of the File Thingie file. Used in <form> actions.
*
* @return File name.
*/
function ft_get_self() {
return basename($_SERVER['PHP_SELF']);
}
/**
* Retrieve the contents of a URL.
*
* @return The contents of the URL as a string.
*/
function ft_get_url($url) {
$url_parsed = parse_url($url);
$host = $url_parsed["host"];
$port = 0;
$in = '';
if (!empty($url_parsed["port"])) {
$port = $url_parsed["port"];
}
if ($port==0) {
$port = 80;
}
$path = $url_parsed["path"];
if ($url_parsed["query"] != "") {
$path .= "?".$url_parsed["query"];
}
$out = "GET $path HTTP/1.0\r\nHost: $host\r\n\r\n";
$fp = fsockopen($host, $port, $errno, $errstr, 30);
fwrite($fp, $out);
$body = false;
while ($fp && !feof($fp)) {
$s = fgets($fp, 1024);
if ( $body ) {
$in .= $s;
}
if ( $s == "\r\n" ) {
$body = true;
}
}
fclose($fp);
return $in;
}
/**
* Get users in a group.
*
* @param $group
* Name of group.
* @return Array of usernames.
*/
function ft_get_users_by_group($group) {
global $ft;
$userlist = array();
foreach ($ft['users'] as $user => $c) {
if (!empty($c['group']) && $c['group'] == $group) {
$userlist[] = $user;
}
}
return $userlist;
}
/**
* Invoke a hook in all loaded plugins.
*
* @param $hook
* Name of the hook to invoke.
* @param ...
* Arguments to pass to the hook.
* @return Array of results from all hooks run.
*/
function ft_invoke_hook() {
global $ft;
$args = func_get_args();
$hook = $args[0];
unset($args[0]);
// Loop through loaded plugins.
$return = array();
if (isset($ft['loaded_plugins']) && is_array($ft['loaded_plugins'])) {
foreach ($ft['loaded_plugins'] as $name) {
if (function_exists('ft_'.$name.'_'.$hook)) {
$result = call_user_func_array('ft_'.$name.'_'.$hook, $args);
if (isset($result) && is_array($result)) {
$return = array_merge_recursive($return, $result);
}
else if (isset($result)) {
$return[] = $result;
}